CN109135625A - A kind of radiation resistance, glass sandwich film of the high grade of transparency and preparation method thereof - Google Patents
A kind of radiation resistance, glass sandwich film of the high grade of transparency and preparation method thereof Download PDFInfo
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- CN109135625A CN109135625A CN201810956832.9A CN201810956832A CN109135625A CN 109135625 A CN109135625 A CN 109135625A CN 201810956832 A CN201810956832 A CN 201810956832A CN 109135625 A CN109135625 A CN 109135625A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
Abstract
The present invention provides a kind of building full-color PVB film, and in particular to a kind of radiation resistance, the full-color PVB film of the building of the high grade of transparency, including PVB resin powder, plasticizer, antioxidant, ultraviolet absorber, Ricinate, organic pigment and fumed silica.The PVB film is modified processing to organic pigment surface by fumed silica, and Ricinate grinding is added in plasticizer, pigment mixed process, so that pigment may be uniformly dispersed in plasticizer, control pigment particle size distribution, the full-color PVB film transparency obtained is high, color is uniform, fine and smooth, and film color difference is small, and the mist degree of laminated glass is small.
Description
Technical field
The invention belongs to glass sandwich Material Field, it is related to the full-color glass sandwich film of a kind of radiation resistance, the high grade of transparency
And preparation method thereof.
Background technique
Polyvinyl butyral (PVB) is the condensation product of polyvinyl alcohol and butyraldehyde, is a kind of translucent film, without miscellaneous
Matter, surfacing have certain roughness and good flexibility, have good cohesive force to unorganic glass, have transparent, resistance to
The characteristics such as hot, cold-resistant, moisture-proof, mechanical strength height are the optimum adhesion materials that interlayer, safety glass are manufactured on our times,
The building such as window, converter screen and various bulletproof glasses is visited in building curtain wall, trick awning, show window, bank counter, prison simultaneously
Field is also widely used.
In America and Europe, most of building glass all uses polyvinyl butyral (PVB) laminated glass, this is not only to avoided
Injury accident, also as PVB laminated glass has fabulous antidetonation invasive ability.Having used the laminated glass of PVB film can obstruct
Sound wave maintains quiet, comfortable working environment.Its distinctive filtering ultraviolet light function, had not only protected the skin health of people, but also
Valuable furniture, exhibit etc. in family can be made to get rid of the misfortune of colour fading.There are also the transmissions for weakening sunlight for it, reduce energy consumption for cooling
The advantages that.
With the development of industry with improvement of living standard, the type of laminated glass is also more and more abundant, colored interlayer
Glass is also increasingly got the favour of people, and stained glass finishing is that can apply greatly to window, curtain wall, mural painting, partition, small
To lamp box, craftwork, one strong color of oriental art is constituted.Light enters the room by stained glass, becomes very gorgeous
It is beautiful colorful, some marvellous effects are generated, the combination of light and shade presents the powerful glamour of stained glass.
Current high-end colour PVB film for building is substantially monopolized by external enterprise, and the building of domestic production is colored
PVB film is very different, and there are still many problems in product quality, and many films have the transparency of synthesis folder glass not
Well, the problems such as radiation resistance discoloration, colour fading.CN 103059641A discloses a kind of colorful PVB intermediate coat, by adding dyestuff system
It is standby to obtain colored PVB intermediate coat, but that color easily occurs after irradiation etc. in later period use process is dimmed equal existing for dyestuff
As, while the mist degree of glass can also be caused to increase, influence using effect.
Under normal conditions, full-color PVB film generally uses extrusion moulding direct formation of film at surface, i.e., by required colorant, increasing
Modeling agent is directly mixed with PVB resin, uniform dissolution, in the colored PVB sheet that 140 DEG C of double screw extruders are extruded into, but should
The PVB film that method obtains is colored intermediate coat uniformly of the same colour, and COLOR COMPOSITION THROUGH DISTRIBUTION is uneven, and obtained film is difficult to meet glass
The routine use of glass interlayer.Such as to disclose a kind of color safe glass interlayer plastics thin by patent application CN 103740014A
Film comprising PVB resin, plasticizer, dispersing agent, transparency dye composition pass through PVB resin and plasticizer, dispersing agent, transparent dye
It is added in extruder to squeeze out after material mixing and be film-made to obtain the final product.The film distribution of color that it is obtained is uneven, and transparency is lower, and
Gradually change colour under illumination.
Therefore, a kind of radiotolerant full-color PVB film how is prepared, and reduces production cost to adapt to increasingly increase at present
The problem of long demand is current urgent need to resolve.
Summary of the invention
Based on the defect of the above-mentioned prior art, the present invention provides a kind of radiation resistance, transparency high glass sandwich film, leads to
It crosses and modified organic pigment is selected to overcome the problems, such as the fast light poor heat resistance of common pigments, and add wetting dispersing agent assisted milling,
Improve dispersibility of the pigment in system so that the film transparency being prepared is higher, brightness, tone and saturation degree etc. also into
One step is promoted.
The present invention provides a kind of radiation resistance, transparency high glass sandwich film comprising following raw material: PVB resin powder,
Plasticizer, antioxidant, ultraviolet absorber, Ricinate, organic pigment, fumed silica.
Further, the glass sandwich film, in parts by weight, including following raw material: 60-70 parts of PVB resins
Powder, 30-40 part plasticizer, 0.01-0.03 parts of antioxidant, 0.01-0.02 parts of ultraviolet absorbers, 0.2-0.5 parts of Ricinates,
0.001-0.1 parts of organic pigments, 0.2-0.5 parts of fumed silicas.
Further, the glass sandwich film, in parts by weight, including following raw material: 63-68 parts of PVB trees
Cosmetics, 32-37 part plasticizer, 0.01-0.02 parts of antioxidant, 0.01-0.02 parts of ultraviolet absorbers, 0.3-0.4 parts of wet dispersions
Agent, 0.005-0.05 parts of organic pigments, 0.3-0.4 parts of fumed silicas.
Further, the glass sandwich film, in parts by weight, including following raw material: 65 parts of PVB resins
Powder, 35 parts of plasticizer, 0.02 part of antioxidant, 0.015 part of ultraviolet absorber, 0.35 part of Ricinate, 0.01 part of organic pigment,
0.35 part of fumed silica.
Further, the plasticizer is selected from one of two isooctyl acid rouge of triethylene glycol, pentaerythritol fatty acid ester, glycol ester
Or it is a variety of.
Further, the plasticizer is preferably two isooctyl acid rouge of triethylene glycol.
Further, the antioxidant is selected from BASF 1010, or mixtures thereof BASF 168.
Further, the antioxidant is the mixture of BASF 1010 and BASF 168, and the two mass ratio is
10.5-1.5。
Further, the mass ratio of BASF 1010 and BASF 168 is 1:0.8-1.2.
Further, the mass ratio of BASF 1010 and BASF 168 is 1:1.
Further, the ultraviolet absorber is selected from one of UV-326, UV-P, T-P or a variety of.
Further, the Ricinate is macromolecule dispersing agent GR-5100H.
Further, for the resistance to calorific value of the organic pigment at 200 DEG C or more, resistance to light value is all larger than 7.
Further, the organic pigment is blue selected from but not limited to titanium cyanines, titanium cyanines are green, in pink, carbon black, permanent yellow
It is one or more.
Further, the fumed silica is hydrophobicity aerosil, partial size 7-40nm.
The present invention also provides a kind of preparation methods of the high glass sandwich film of radiation resistance, transparency, including following step
It is rapid:
(1) antioxidant and ultraviolet absorber dissolution are obtained into mixture 1 in plasticizers；
(2) wetting dispersing agent, fumed silica, pigment are dispersed in mixture 1, by abundant in ball mill
Grinding, filtering, forms the dispersion of stable and uniform, obtains mixture 2；
(3) mixture 2 and PVB resin powder by double screw extruder extrusion film to get.
Further, 50-70min is ground in the ball mill in the step (2).
Further, the temperature control of extruder is 35-45 DEG C of an area, 45-55 DEG C of 2nd area, 3rd area in the step (3)
100-110 DEG C, 135-145 DEG C of 4th area, 140-150 DEG C of 5th area, 155-165 DEG C of 6th area, seven-nine 165-175 DEG C of areas.
Further, the die head temperature control of extruder is 170-190 DEG C in the step (3).
The present invention also provides above-mentioned glass sandwich films to prepare the application in full-color glass for building.
The invention has the benefit that
(1) present invention carries out the color matching of film using organic pigment, avoids conventional dyes and inorganic pigment in long-term light
According to caused discoloration, COLOR FASTNESS PROBLEM in equal environment, in the test of 100h radiation resistance, glass sandwich film provided by the invention can be with
Reach completely non-discolouring.
(2) addition Ricinate is ground the present invention during the preparation process, control pigment particle size distribution, the glass of acquisition
Glass interlayer film transparency is high, and color is uniform, fine and smooth, and film color difference is small, and the mist degree of laminated glass is small.
(3) present invention is also added into fumed silica and is surface-treated to organic pigment, further improves organic
The resistance to calorific value and dispersibility of pigment so that it compares favourably with import expensive goods, greatly widened organic pigment class and
Application range.
Specific embodiment
A kind of full-color PVB film of building of embodiment 1 and preparation method thereof
PVB film composition: 65 parts of PVB resin powder, 35 parts of two isooctyl acid rouge of triethylene glycol, 0.02 part of BASF 1010 and 168
(the two ratio is 1:1), 0.015 part of UV-326,0.35 part of macromolecule dispersing agent GR-5100H, 0.01 part of titanium cyanines indigo plant, 0.35 part
Hydrophobicity aerosil.
PVB film preparation method:
(1) BASF 1010,168, UV-326 are blended in two isooctyl acid rouge of triethylene glycol, obtain mixture 1；
(2) mixture 1, titanium cyanines indigo plant, macromolecule dispersing agent GR-5100H and hydrophobicity aerosil are added to ball
It is fully ground 60min in grinding machine, filters, forms the dispersion of stable and uniform, obtain mixture 2；
(3) mixture 2 and PVB resin powder, by double screw extruder squeeze out film to get.
Wherein, the temperature control of extruder is 40 DEG C of an area, 50 DEG C of 2nd area, 105 DEG C of 3rd area, four areas 140 in step (3)
DEG C, 145 DEG C of 5th area, 160 DEG C of 6th area, 170 DEG C of seven-nine area；The die head temperature control of extruder is 180 DEG C.
A kind of full-color PVB film of building of embodiment 2 and preparation method thereof
PVB film composition: 60 parts of PVB resin powder, 32 parts of two isooctyl acid rouge of triethylene glycol, 0.02 part of BASF 1010 and 168
(the two ratio be 1:1.2), 0.02 part of UV-P, 0.4 part of macromolecule dispersing agent GR-5100H, 0.01 part of titanium cyanines are green, 0.4 part it is hydrophobic
Property fumed silica.
PVB film preparation method:
(1) BASF 1010,168, UV-P mixed dissolution are formed into stable dispersion in two isooctyl acid rouge of triethylene glycol
System, obtains mixture 1；
(2) mixture 1, macromolecule dispersing agent GR-5100H and hydrophobicity aerosil are added in ball mill and are filled
Divide grinding 60min, filtering forms the dispersion of stable and uniform, obtains mixture 2；
(3) mixture 2 is mixed with PVB resin powder, by double screw extruder squeeze out film to get.
Wherein, the temperature control of extruder is 35 DEG C of an area, 45 DEG C of 2nd area, 100 DEG C of 3rd area, four areas 135 in step (3)
DEG C, 140 DEG C of 5th area, 155 DEG C of 6th area, 165 DEG C of seven-nine area；The die head temperature control of extruder is 170 DEG C.
A kind of full-color PVB film of building of embodiment 3 and preparation method thereof
PVB film composition: 70 parts of PVB resin powder, 40 parts of two isooctyl acid rouge of triethylene glycol, 0.03 part of BASF 1010 and 168
(the two ratio is 1:0.8), 0.02 part of T-P, 0.5 part of macromolecule dispersing agent GR-5100H, 0.01 part of pink, 0.5 part of hydrophobicity
Fumed silica.
PVB film preparation method:
(1) BASF 1010,168 and T-P mixed dissolution is formed into stable dispersion in two isooctyl acid rouge of triethylene glycol
System, obtains mixture 1；
(2) mixture 1, pink, macromolecule dispersing agent GR-5100H and hydrophobicity aerosil are added to ball milling
It is fully ground 60min in machine, filters, forms the dispersion of stable and uniform, obtain mixture 2；
(3) mixture 2 and PVB resin powder, by double screw extruder squeeze out film to get.
Wherein, the temperature control of extruder is 45 DEG C of an area, 55 DEG C of 2nd area, 110 DEG C of 3rd area, four areas 145 in step (3)
DEG C, 150 DEG C of 5th area, 165 DEG C of 6th area, 175 DEG C of seven-nine area；The die head temperature control of extruder is 190 DEG C.
A kind of full-color PVB film of building of embodiment 4 and preparation method thereof
PVB film composition: 63 parts of PVB resin powder, 30 parts of pentaerythritol fatty acid esters, 0.01 part of (the two of BASF 1010 and 168
Ratio is 1:0.5), 0.01 part of UV-326,0.3 part of macromolecule dispersing agent GR-5100H, 0.01 part of titanium cyanines are blue, 0.3 part of hydrophobicity
Fumed silica.
PVB film preparation method:
(1) BASF 1010,168, UV-326 are dissolved in pentaerythritol fatty acid ester, form stable dispersion, obtains
Mixture 1；
(2) mixture 1, titanium cyanines indigo plant, macromolecule dispersing agent GR-5100H and hydrophobicity aerosil are added to ball
It is fully ground 50min in grinding machine, filters, forms the dispersion of stable and uniform, obtain mixture 2；
(3) mixture 2 is mixed with PVB resin powder, by double screw extruder squeeze out film to get.
Wherein, the temperature control of extruder is 37 DEG C of an area, 47 DEG C of 2nd area, 107 DEG C of 3rd area, four areas 142 in step (3)
DEG C, 147 DEG C of 5th area, 152 DEG C of 6th area, 167 DEG C of seven-nine area；The die head temperature control of extruder is 183 DEG C.
A kind of full-color PVB film of building of embodiment 5 and preparation method thereof
PVB film composition: 68 parts of PVB resin powder, 37 parts of glycol esters, 0.03 part of (the two ratio of BASF 1010 and 168
For 1:1.5), 0.02 part of UV-326,0.2 part of macromolecule dispersing agent GR-5100H, 0.01 part of titanium cyanines indigo plant, 0.2 part of hydrophobicity gas phase
Silica.
PVB film preparation method:
(1) BASF 1010,168, UV-326 are substantially dissolved in glycol ester, form stable dispersion, obtains
Mixture 1；
(2) mixture 1, titanium cyanines indigo plant, macromolecule dispersing agent GR-5100H and hydrophobicity aerosil are added to ball
It is fully ground 70min in grinding machine, filters, forms the dispersion of stable and uniform, obtain mixture 2；
(3) mixture 2 is mixed with PVB resin powder, by double screw extruder squeeze out film to get.
Wherein, the temperature control of extruder is 40 DEG C of an area, 50 DEG C of 2nd area, 105 DEG C of 3rd area, four areas 140 in step (3)
DEG C, 145 DEG C of 5th area, 160 DEG C of 6th area, 170 DEG C of seven-nine area；The die head temperature control of extruder is 180 DEG C.
Comparative example 1 replaces organic pigment with inorganic pigment
In addition to replacing organic pigment with inorganic pigment titanium white, remaining is the same as embodiment 1.
Comparative example 2 replaces organic pigment with dyestuff
In addition to replacing organic pigment with dyes transparent indigo plant 2N, remaining is the same as embodiment 1.
Comparative example 3 does not add fumed silica
In addition to without containing fumed silica, remaining is the same as embodiment 1.
Comparative example 4 does not add wetting dispersing agent
In addition to without containing wetting dispersing agent, remaining is the same as embodiment 1.
Comparative example 5 is not ground using ball mill
PVB film composition: with embodiment 1.
PVB film preparation method:
(1) BASF 1010,168, UV-326 are substantially dissolved in two isooctyl acid rouge of triethylene glycol, form stable dispersion
System obtains mixture 1；
(2) by mixture 1, titanium cyanines indigo plant, macromolecule dispersing agent GR-5100H and hydrophobicity aerosil and PVB resin
Powder mixing, by double screw extruder squeeze out film to get.
Wherein, the temperature control of extruder is 40 DEG C of an area, 50 DEG C of 2nd area, 105 DEG C of 3rd area, 140 DEG C of 4th area, five areas 145
DEG C, 160 DEG C of 6th area, 170 DEG C of seven-nine area；The die head temperature control of extruder is 180 DEG C.
The mist of the laminated glass of test example difference PVB film preparation is all and radiation-resistant property
(1) haze detection
1) device and utensil: light transmittance/mist degree analyzer, safety gloves, fluidity test press, (2 pieces of float glass
100×100mm)。
2) sample requirement: using the square laminated glass of 100mm × 100mm as sample.
3) test procedure: opening analyzer preheating, takes 0.76mm/0.38mm thick, 100mm × 100mmPVB film, immediately
It is placed among two blocks of pure glass, laminated glass is placed under press machine by following condition, temperature: 130 ± 2 DEG C, pressure:
0.50bar, preheating: 20 seconds 1 minute, then in temperature: 130 ± 2 DEG C, pressure: 2.00 ± 0.05bar suppressed 5 under above-mentioned condition
Minute.Film-making cooling is taken out with safety gloves, sample is loaded on light transmittance/mist degree instrument, records the numerical value of light transmittance and mist degree.
4) precision: light transmittance 0.1%, mist degree 0.01%.
(2) radiation resistance is tested
1) device: radiation resistance testing machine；Transmittance analyzer.
2) radiation source: ozone free quartz tube type mercury vapor arc lamps.The axis of lamp housing should be vertical.The nominal ruler of lamp
Very little is long 360mm, and diameter is 9.5mm, electric arc long 300mm ± 14mm, operating power 750w ± 50w.
3) power transformer and capacitor: can arc lamp provide minimum value be 1100V starting peak pressure and 500V ± 50V
Operating voltage.
4) sample is fixed and rotating device: it is rotated with the speed of 1r/min-5r/min around the irradiation bomb that axle center is arranged in,
To guarantee Uniform Irradiation.
5) sample: size, 76mm × 300mm, quantity are three pieces.
6) test procedure
The visible transmission ratio for measuring three pieces of 76 × 300mm test films first, protects a part of every piece of sample, exempts from it
In irradiation, sample is then set on from the device at lamp axis 230mm, and make parallel with lamp axis on its length direction.Entirely trying
Test middle 45 ± 5 DEG C of holding specimen temperature.Irradiation time is 100h.The transmittance of every piece of sample irradiated site is measured after irradiation again.
Testing result such as following table
1 difference PVB film of table preparation laminated glass mist all with radiation-resistant property result
As seen from the results in Table 1, although comparative example 1 is all smaller using the full-color plateholder glass mist that dyestuff is prepared, its is resistance to
Serious metachromatism can occur for irradiation 100h, and the weather resistance of dyestuff is poor.The full-color glue that comparative example 2 is prepared using inorganic pigment
Piece, although the weatherability of film is qualified, the color of film is obscure, and mist degree is big, and pigment is not easy to be uniformly dispersed in plasticizers,
Easily precipitating, causes film color difference.Comparative example 3 is not added with fumed silica, and pigment anti-aging property is substantially compared with Example 1
It reduces, and a degree of reduction also occur in brightness, tone and saturation degree etc..Comparative example 4 is not added with wetting dispersing agent, makes
Pigment is not can be uniformly dispersed, film mist obtained all obviously increases, uneven color.Comparative example 5 without ball mill grinding,
Extruding preparation directly is carried out, organic pigment is not can be uniformly dispersed in obtained film, significantly reduces the mist of film all and color
Homogeneity.
Therefore, embodiment 1 uses organic pigment, adds a certain amount of Ricinate dispersion pigment and fumed silica
The performance of the full-color PVB film of production is best, and color more becomes clear penetrating.
Above-mentioned detailed description is illustrating for one of them possible embodiments of the present invention, the embodiment not to
The scope of the patents of the invention is limited, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the technology of the present invention
In the range of scheme.
Claims (10)
1. the high glass sandwich film of a kind of radiation resistance, transparency, which is characterized in that the glass sandwich film includes following original
Material: PVB resin powder, plasticizer, antioxidant, ultraviolet absorber, Ricinate, organic pigment, fumed silica.
2. glass sandwich film according to claim 1, which is characterized in that in parts by weight, including following raw material:
60-70 parts of PVB resin powder, 30-40 parts of plasticizer, 0.01-0.03 parts of antioxidant, 0.01-0.02 parts of ultraviolet absorbers, 0.2-
0.5 part of Ricinate, 0.001-0.1 parts of organic pigments, 0.2-0.5 parts of fumed silicas.
3. glass sandwich film according to claim 2, which is characterized in that the plasticizer is selected from two isooctyl acid of triethylene glycol
One of rouge, pentaerythritol fatty acid ester, glycol ester are a variety of.
4. glass sandwich film according to claim 2, which is characterized in that the antioxidant is selected from BASF 1010, bar
Or mixtures thereof this husband 168.
5. glass sandwich film according to claim 2, which is characterized in that the ultraviolet absorber is selected from UV-326, UV-
P, one of T-P or a variety of.
6. glass sandwich film according to claim 2, which is characterized in that the Ricinate is macromolecule dispersing agent
GR-5100H。
7. glass sandwich film according to claim 2, which is characterized in that the organic pigment is selected from titanium cyanines indigo plant, titanium cyanines
One of green, pink, carbon black, permanent yellow are a variety of.
8. glass sandwich film according to claim 2, which is characterized in that the fumed silica is hydrophobicity gas phase
Silica, partial size 7-40nm.
9. a kind of preparation method of the high glass sandwich film of any one of claim 1-8 radiation resistance, transparency, including with
Lower step:
(1) antioxidant and ultraviolet absorber dissolution are obtained into mixture 1 in plasticizers；
(2) wetting dispersing agent, fumed silica, pigment are dispersed in mixture 1, by sufficiently being ground in ball mill
Mill, filtering, forms the dispersion of stable and uniform, obtains mixture 2；
(3) mixture 2 and PVB resin powder by double screw extruder extrusion film to get.
10. any one of the claim 1-8 glass sandwich film is preparing the application in full-color glass for building.
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| US20210138765A1 (en) * | 2018-04-16 | 2021-05-13 | Sekisui Chemical Co., Ltd. | Interlayer film for laminated glass, and laminated glass for automobile roof |
| CN110699017A (en) * | 2019-11-29 | 2020-01-17 | 安徽皖维皕盛新材料有限责任公司 | Polyvinyl butyral ultra-white transparent film and preparation method thereof |
| CN111944173A (en) * | 2020-08-24 | 2020-11-17 | 安徽皖维皕盛新材料有限责任公司 | Method for improving dispersity of PVB film viscosity regulator |
| CN112280228A (en) * | 2020-10-19 | 2021-01-29 | 济南金彩阳新材料科技有限公司 | PVB high-concentration color cake and preparation method and application thereof |
| CN112280228B (en) * | 2020-10-19 | 2021-06-22 | 济南金彩阳新材料科技有限公司 | PVB high-concentration color cake and preparation method and application thereof |
| CN114437482A (en) * | 2020-10-30 | 2022-05-06 | 中国石油化工股份有限公司 | PVB film special material and preparation method and application thereof |
| CN114437482B (en) * | 2020-10-30 | 2023-12-08 | 中国石油化工股份有限公司 | PVB film special material and preparation method and application thereof |
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